which of the following summarizes a t test that was significant and associated with a large effect size?
a. t(22) = 3.02, p< .05, d = .36
b. t(30) = 1.03, p> .05, d = .20
c. t(60) = 1.76, p> .05, d = .45
d. t(12) = 2.95, p< .05, d = .82
Answers
The option that summarizes a t-test that was significant and associated with a large effect size is: d. t(12) = 2.95, p < .05, d = .82
In this option, the t-value is 2.95, indicating a significant result. The p-value is less than .05, indicating that the result is statistically significant at the chosen significance level. Furthermore, the effect size is large, with a Cohen's d value of .82. A large effect size suggests a substantial difference between the groups being compared.
The summary presented in option d is as follows:
t(12) = 2.95, p < .05, d = .82
- t(12) represents the t-value and the degrees of freedom (df) associated with the t-test. In this case, the t-value is 2.95, indicating the magnitude of the difference between the groups being compared. The degrees of freedom is 12, which is determined by the sample size and the design of the study.
- p < .05 indicates the p-value, which is a measure of the probability of obtaining the observed results by chance alone. In this case, the p-value is less than .05, indicating that the difference observed is statistically significant at the .05 significance level.
- d = .82 represents the effect size, specifically Cohen's d. Effect size measures the magnitude of the difference between groups or the strength of the relationship between variables.
learn more about p-value here:
https://brainly.com/question/31833098
#SPJ4
Related Questions
PLEASEEEEEEEEEEEEEEEEE
Answers
(12 POINTS)If you can’t help out it would mean so much ty!!!
Answers
A cone has a volume of 2863.68 cubic meters and a height of 19 meters. What is its radius?
Answers
r ≈ 12 meters is your answer :)
Anyway, it is from this formula: V=πr^ 2 h/ 3
it is actually ≈ 11.99696m
if a+b = -6 , a^2 + b^2 = 20 then ab =
Answers
\(\qquad\qquad\huge\underline{{\sf Answer}}\)
By squaring the sum of two variables identity ~
\(\qquad \sf \dashrightarrow \:(a + b) {}^{2} = {a}^{2} + {b}^{2} + 2ab\)
Now, plug in the given values ~
\(\qquad \sf \dashrightarrow \:( - 6) {}^{2} = 20 + 2ab\)
\(\qquad \sf \dashrightarrow \:36 = 2(10 + ab)\)
\(\qquad \sf \dashrightarrow \:10 + ab = 36 \div 2\)
\(\qquad \sf \dashrightarrow \:10 + ab = 18\)
\(\qquad \sf \dashrightarrow \:ab = 18 - 10\)
\(\qquad \sf \dashrightarrow \:ab = 8\)
I hope it was clear through my steps ~
Answer:
8
Step-by-step explanation:
(a+b)^2 = (-6)^2
a^2 + 2ab + b^2 = 36
a^2 + b^2 = 36 - 2ab
Equating 36 - 2ab with 20
36 - 2ab = 20
2ab = 16
ab = 8
Hope this helps out, feel free to mark this answer as brainliest :)
(7 points + 1 point BONUS) A new advertising program involves placing small screens on the back of taxi front seats in order to run several advertisements continuously. The theory is that riders give their undivided attention to these ads during the entire trip. To understand the potential of the advertising program, advertisers would like to first learn about the length of time of taxi rides. Random samples of the taxi ride times in minutes) in two cities were obtained. Please assume that the distributions are normal. The summary data are given in the following table. You will not need to use the information from all the rows. Please provide three decimal places for all work and answers unless explicity mentioned otherwise. Length of Taxi Ride (minutes) San Diego Phoenix San Diego - Phoenix 25 25 25 20.32 15.17 5.15 6.191 5.773 8.109
a) Should this situation be analyzed via a two-sample independent or two-sample paired method? Please explain the correct answer. If this is a paired situation, please state the common characteristic that makes these data paired.
Answers
This situation should be analyzed using a two-sample independent method. The two-sample independent method is used when comparing two independent groups, in this case, taxi ride times in San Diego and Phoenix. The two-sample paired method is used when comparing the same group under two different conditions, which is not the case here, as the taxi ride times are taken from two separate cities. There is no common characteristic that makes these data paired.
A two-sample independent method is used to compare the means of two independent populations, which is appropriate for this situation. The independent samples t-test is a common statistical test used to compare the means of two independent populations.On the other hand, if the data were obtained from the same set of taxis in both cities or from the same set of riders in both cities, then the situation would be a paired situation, and a two-sample paired method would be more appropriate.Paired data refers to data that is collected from the same sample, subject, or group at different points in time or under different conditions. For example, if the data were obtained from the same set of taxis in both cities, then the data would be paired because each taxi in San Diego would have a corresponding taxi in Phoenix. Similarly, if the data were obtained from the same set of riders in both cities, then the data would be paired because each rider in San Diego would have a corresponding rider in Phoenix.In summary, since the data in this situation were obtained from two different cities, a two-sample independent method is appropriate. If the data were obtained from the same set of taxis or riders in both cities, a two-sample paired method would be appropriate.
Learn More About two-sample independent method : https://brainly.com/question/24303205
#SPJ11
test the null hypothesis: h0:(μ1−μ2)=0 versus the alternative hypothesis: ha:(μ1−μ2)≠0. using α=0.04, give the following: The test statistic Z ____
Answers
since the population standard deviations (σ1 and σ2) are not provided, we cannot calculate the exact test statistic Z.
To test the null hypothesis H0: (μ1 - μ2) = 0 versus the alternative hypothesis Ha: (μ1 - μ2) ≠ 0, we can use a two-sample z-test. The test statistic is calculated as:
Z = (x bar1 - x bar2) / sqrt((σ1^2 / n1) + (σ2^2 / n2))
Where:
X bar1 and x bar2 are the sample means of the two groups,
σ1 and σ2 are the population standard deviations of the two groups,
n1 and n2 are the sample sizes of the two groups.
To learn more about standard deviations go to:
https://brainly.com/question/13336998
#SPJ11
Help! will give Brainlest!
Answers
tan x = 21/20
Something to remember: SOH-CAH-TOA
This means Sin is O/H, Cos is A/H, and Tan is O/A.
(O = opposite, A = adjacent, and H = hypotenuse)
Tan x would be O/A or 21/20.
Find the perimeter and the area of a rectangle with the sides 4 7/20 m and 6 2/3 m.
Answers
9514 1404 393
Answer:
perimeter: 22 1/30 marea: 29 m²Step-by-step explanation:
The perimeter is given by the formula ...
P = 2(L+W)
P = 2(4 7/20 +6 2/3) = 2(10 +61/60) = 2(11 1/60)
P = 22 1/30 . . . . meters
__
The area is given by the formula ...
A = LW
A = (4 7/20)(6 2/3) = (87/20)(20/3) = 87/3 = 29 . . . . square meters
The perimeter is 22 1/30 meters; the area is 29 square meters.
The height of an art is 7 feet, and Mike guessed that it was 6.33 feet. What as the percnet of his error?
Answers
Answer:
I believe it is 90.43% rounded to the nearest hundredth.
Step-by-step explanation:
17. What is 18,000,000,000,000 written in scientific notation?
A
1.8 x 10-13
В.
1.8 x 10"
C.
18 x 10-12
D.
18 x 1012
Answers
Greetings! I hope this helps!
Answer:
D: 18 x 10^12
Explanation:
Scientific notation is basically simplifying a huge number. So you have 18 and 12 0's. So its 18 x 10^12 (to the twelfth power)
a triangle is the shape used to represent the components of total health. rue or false
Answers
A triangle is a shape used to represent the components of total health. True
grantly is creating a design for a sitting room off his client's master bedroom. he plans to use a few chairs, an end table, and some rugs to create a cozy space. how close should grantly place the chairs?
Answers
Grantly must place the chairs close enough so that people can easily speak with one another
Grantly is designing a sitting area that will be located outside of his client's master bedroom. He intends to furnish the area with a few rugs, an end table, and chairs. The seats should be spaced apart just enough to allow for easy conversation while seated, but not too much that it seems crowded. For easy access, end table should be positioned close to the seats. The placement of rugs should be such that they both define seating area and add to overall attractiveness of the space.
To make sure that chairs, end table, and rugs fit properly without giving area a claustrophobic feeling, Grantly should take measurements of the available space in the sitting room. He should also consider how the master bedroom is organised as well as any existing furnishings or fixtures that could have an impact on how the sitting room furniture is arranged. Additionally, seating should be set up so that conversing with one another while seated is simple. Conversation can be facilitated and a cosy environment can be created by positioning chairs in a circula configuration, facing one another.
Read more about aesthetics on:
https://brainly.com/question/28476680
#SPJ4
V. (15 Scores) The Simpson's rule applied to sf(x)dx gives the value 12, and the trapezoidal rule gives the value 8. So what is /(3)?
Answers
Let the area of the curve be A. The Simpson's rule gives us the following:A = (b-a)/6 (f(a) + 4f((a+b)/2) + f(b)) = 12Also, the trapezoidal rule gives us the following:
A = (b-a)/2 (f(a) + f(b)) = 8.
Now, we know that (b-a)/h is equal to 2 in the trapezoidal rule and 4 in the Simpson's rule. This gives us 2h = b-a in the trapezoidal rule and 4h = b-a in the Simpson's rule.
By dividing the two formulas, we get:
(f(a) + 4f((a+b)/2) + f(b))/(b-a) = 12/(b-a) ...(1)and(f(a) + f(b))/(b-a) = 8/(b-a) ...(2).
Multiplying equation 2 by 4, we get:(4f(a) + 4f(b))/(b-a) = 32/(b-a) ...(3).
Now, adding equations 1 and 3, we get:5f(a) + 4f((a+b)/2) + 5f(b) = 44 ... (4).
Dividing equation 4 by 10, we get:f(a) + f((a+b)/2) + f(b) = 4.4 ... (5).
Again, from equation 1:(f(a) + 4f((a+b)/2) + f(b))/(b-a) = 12/(b-a).
Multiplying both sides by (b-a)/3, we get:(b-a)/3 * (f(a) + 4f((a+b)/2) + f(b))/(b-a) = 4 ...(6).
Simplifying equation 6, we get:(f(a) + 4f((a+b)/2) + f(b))/3 = 4 ...(7).
By subtracting equation 5 from equation 7, we get:2f((a+b)/2) = 0.4f(a) + 0.4f(b) + 0.4 ...(8).
Dividing equation 8 by 2, we get:f((a+b)/2) = 0.2f(a) + 0.2f(b) + 0.2 ...(9).
Therefore, applying Simpson's rule to sf(x)dx gives the value 12 and the trapezoidal rule gives the value 8, so f((a+b)/2) = 0.2f(a) + 0.2f(b) + 0.2.
/(3) cannot be calculated with the given data.
To know more about Simpson's rule :
brainly.com/question/30459578
#SPJ11
in the diagram, parallel lines a and m are cut by transversal t m <1=4x + 16 and m<2 =2x - 22
Answers
In thia problem we have that
m<1 and m< 2 are consecutive interior angles
that means
m<1+m<2=180 ------> supplementary angles
substitute the given values
4x+16+2x-22=180
solve for x
6x-6=180
6x=180+6
6x=186
x=31
Find the value of m<1
m<1=4(31)+16
m<1=140 degrees
Match the following. Match the items in the left column to the items in the right column.
1. total to fish
2. starfish to fish
3. starfish to total
4. fish to starfish
Answers
The items matched in the left column to the items in the right column are
total to fish = 8 : 3starfish to fish = 5 : 3starfish to total = 5 : 8fish to starfish = 3 : 5Matching the items in the left column to the items in the right columnRatio is the number representing a comparison between two named things or quantities.
Total = 8Fish = 3Starfish = 51. total to fish
= 8 : 3
2. starfish to fish
= 5 : 3
3. starfish to total
= 5 : 8
4. fish to starfish
3 : 5
In conclusion, the ratio of the total to fish to starfish is 8 : 3 : 5
Read more on ratio:
https://brainly.com/question/2328454
#SPJ1
What number could replace x to make a true statement?
Answers
The answer is 3/a, have a nice day
Ms Lucy Brier has just won a tennis tournament. She has been given the choice of the following five methods to collect her winnings. If the appropriate opportunity cost is 8% p.a. compounded quarterly, which method would give her the highest winnings?
a) $30,000 each quarter for 6 years with the first payment received immediately
b) $500,000 to be received immediately
c) $120,000 each year for 5 years with the first payment in 1 year’s time
d) $37,000 each quarter for 4 years with the first payment in 3 months’ time
e) $75,000 each year for 11 years with the first payment in 1 year’s time
Answers
The present value is approximately $624,732.39. To determine which method would give Ms. Lucy Brier the highest winnings, we need to calculate the present value of each option .
Using the appropriate opportunity cost of 8% p.a. compounded quarterly. The method with the highest present value will result in the highest winnings. a) For $30,000 each quarter for 6 years with the first payment received immediately, we can calculate the present value using the formula for the present value of an ordinary annuity: Present Value = C * (1 - (1 + r/n)^(-n*t)) / (r/n). Where: C = Cash flow per period = $30,000; r = Annual interest rate = 8% = 0.08; n = Number of compounding periods per year = 4 (quarterly compounding); t = Number of years = 6. Using the formula, the present value is approximately $151,297.11. b) For $500,000 received immediately, the present value is simply the same amount, $500,000. c) For $120,000 each year for 5 years with the first payment in 1 year's time, we can calculate the present value of an ordinary annuity starting in 1 year: Present Value = C * (1 - (1 + r/n)^(-n*t)) / (r/n). Where: C = Cash flow per period = $120,000; r = Annual interest rate = 8% = 0.08; n = Number of compounding periods per year = 4 (quarterly compounding); t = Number of years = 5.
Using the formula, the present value is approximately $472,347.55. d) For $37,000 each quarter for 4 years with the first payment in 3 months' time, we can calculate the present value of an ordinary annuity starting in 3 months: Present Value = C * (1 - (1 + r/n)^(-n*t)) / (r/n). Where: C = Cash flow per period = $37,000. r = Annual interest rate = 8% = 0.08. n = Number of compounding periods per year = 4 (quarterly compounding). t = Number of years = 4.Using the formula, the present value is approximately $142,934.37. e) For $75,000 each year for 11 years with the first payment in 1 year's time, we can calculate the present value of an ordinary annuity starting in 1 year: Present Value = C * (1 - (1 + r/n)^(-n*t)) / (r/n). Where: C = Cash flow per period = $75,000; r = Annual interest rate = 8% = 0.08; n = Number of compounding periods per year = 4 (quarterly compounding); t = Number of years = 11. Using the formula, the present value is approximately $624,732.39. Comparing the present values, we can see that option e) with $75,000 each year for 11 years starting in 1 year's time has the highest present value and, therefore, would give Ms. Lucy Brier the highest winnings.
To learn more about highest click here: brainly.com/question/13160998
#SPJ11
Somebody Please Help Me With my Math
Practice A: Range-Average Deviation Maze! Directions: Start at the top LEFT. Follow the instructions. Use your Solutions to make your way through the maze to get to the end. CIRCLE the Answers to your route.
Answers
Answer:
hi see it is difficult I can't solve it but if need any other answer I can help
A clothing store is tracking how much money adults are spending on clothes each month from their only store. Which description represents a population?
adults who buy any clothes
adults who buy their children’s clothes
adults who are not married
adults who are in college
Answers
Answer: If I understood correctly, the answer would be A, adults who buy any clothes. I'm not too sure though that would make sense.
Is the relation below a function?
x
-2 -1
0
1
2
у
4
1
0
1
4
No, it is not a fonction
Yes, it is a function
Answers
Answer:
not a function
Step-by-step explanation:
the ratios of y/x are not equal
If ST=17 and RT=41, find RS. Use the number line below.
Answers
The length of segment RS is given as follows:
RS = 24.
What does the angle addition postulate state?The angle addition postulate states that if two or more angles share a common vertex and a common angle, forming a combination, the measure of the larger angle will be given by the sum of the measures of each of the angles.
The segment RT is the combination of segments RS and ST, hence:
RT = RS + ST.
Hence the length of segment RS is given as follows:
41 = RS + 17
RS = 24.
More can be learned about the angle addition postulate at https://brainly.com/question/24782727
#SPJ1
The sequence 2, 9, 20, 35, … is illustrated in the art below. What is the 50th term of this sequence?
Answers
Answer:
Answer:
345 is the answer
Step-by-step explanation:
use the nth term sequence and you get 7n-5 just substitute 50 and you get that hope I helped!
Jeff bought a canoe for $333.75. The sales tax was 5%. What was his total cost?
Answers
Answer:
Jeff bought a canoe for $333.75. The sales tax was 5%. What was his total cost?
Step-by-step explanation:
The total cost of jeff purchase was approximately $351.27.
PLEASE HELP ME PLEASEEEEE
Answers
___________________________________________________________
Crab Rave
___________________________________________________________
You have a box with 6 blue marbles, 7 red marbles, and 2 yellow marbles. You are going to pull out one
marble, record its color, put it back in the box and draw another marble. What is the probability of
pulling out a yellow marble followed by a blue marble?
Answers
Answer:
12/225 or 4/75.
Step-by-step explanation:
I hope this helps!
Answer as a fraction = 4/75
Answer in decimal form = 0.05333 (approximate)
Answer in percent form = 5.333% (approximate)
=======================================================
Work Shown:
A = event of pulling a yellow marble on the first selection
P(A) = 2/15 since there are 2 yellow out of 6+7+2=15 total.
B = event of pulling a blue marble on the second selection
P(B) = 6/15 = 2/5
Note how the 15 does not drop to 14 since we put the first marble back. Therefore events A and B are independent
---------
P(A and B) = probability of getting yellow, then blue
P(A and B) = P(A)*P(B)
P(A and B) = (2/15)*(2/5)
P(A and B) = (2*2)/(15*5)
P(A and B) = 4/75
P(A and B) = 0.05333 approximately
P(A and B) = 5.333% approximately
Solve for x.
−3/4x≥12
Enter the solution to the inequality in the box.
Answers
Answer:
Step-by-step explanation:
X Is 16 because if youMultiply both sides of the equation by
4
3
.
4
3
⋅
3
4
⋅
x
=
4
3
⋅
12 this equals=16. (If u need more help I can be ur tutor free of charge)I teach pre k too 7th grade
use the above formula to find the distance from the point to the given line. (3, 2, −1); x = 1 t, y = 2 − 2t, z = 3 − 3t
Answers
The distance from the point (3, 2, −1) to the line x = 1+t, y = 2−2t, z = 3−3t is √14/3.To find the distance from a point to a line, we need to find the distance between the point and its projection onto the line.
The projection of a point P onto a line L can be found by dropping a perpendicular from P to L, and finding the point of intersection, which we'll call Q. Let's start by finding the direction vector of the line. From the equation x=1+t, y=2−2t, z=3−3t, we can see that the direction vector is (1,-2,-3).
Next, we need to find the vector from a point on the line to our point P=(3,2,-1). Let's use the point on the line where t=0, which is (1,2,3). The vector from (1,2,3) to (3,2,-1) is (2,0,-4).
Now, we can use the formula for the distance from a point to a line, which is: distance = |(P-Q)·n|/|n|,
where · denotes the dot product, n is the normal vector to the line, and |·| denotes the magnitude of a vector.
To find Q, we need to project (3,2,-1) onto the line. The projection of a vector u onto a vector v is given by:
proj_v(u) = (u·v/|v\(|^2\))v
In our case, u = (2,0,-4) and v = (1,-2,-3). Thus,
proj_v(u) = ((2,-4,6)·(1,-2,-3)/|(1,-2,-3)|^2)(1,-2,-3) = (-16/14)(1,-2,-3)
= (-8/7)(1,-2,-3)
So, Q = (1,-2,-3) + (-8/7)(1,-2,-3) = (-1/7, 10/7, -15/7).
Finally, we can calculate the distance from P to Q using the formula above, which gives:
distance = |(P-Q)·n|/|n|
= |((3,-2,1)-(-1/7,10/7,-15/7))·(1,-2,-3)|/|(1,-2,-3)|
= √14/3
Therefore, the distance from the point (3, 2, −1) to the line x = 1+t, y = 2−2t, z = 3−3t is √14/3.
Learn more about dot product here: https://brainly.com/question/30907119
#SPJ11
Given: Circle P P with center at (-4,1) which equation could represent circle P
Answers
The possible equation of the circle P is (x + 4)² + (y - 1)² = 16
Determining the possible equation of the circle PFrom the question, we have the following parameters that can be used in our computation:
The circle
Where, we have
Center = (a, b) = (-4, 1)
The equation of the circle P can berepresented as
(x - a)² + (y - b)² = r²
So, we have
(x + 4)² + (y - 1)² = r²
Assume that
Radius, r = 4 units
So, we have
(x + 4)² + (y - 1)² = 4²
Evaluate
(x + 4)² + (y - 1)² = 16
Hence, the equation is (x + 4)² + (y - 1)² = 16
Read more about circles at
brainly.com/question/24810873
#SPJ1
PLEASEEEEEEEEEEEEEE HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Answers
Answer:
rhombus
Step-by-step explanation:
which conic section is formed in the image shown? two cones that touch at their vertices and a plane cutting through the left cone parallel to its base to form a curve circle parabola ellipse hyperbola
Answers
Hyperbola is formed when two cones that touch at their vertices and a plane cutting through the left cone parallel to its base to form a curve
What is Conic Section?A conic section, conic or a quadratic curve is a curve obtained from a cone's surface intersecting a plane.
We have to find the conic section which is formed by two cones that touch at their vertices and a plane cutting through the left cone parallel to its base to form a curve circle parabola ellipse hyperbola.
A hyperbola is formed when the interesting plane is parallel to the axis of the cone, and intersect with both the nappes of the double cone.
Hence, Hyperbola is formed when two cones that touch at their vertices and a plane cutting through the left cone parallel to its base to form a curve
To learn more on Conic Section click:
https://brainly.com/question/28991363
#SPJ1
Answer:
ellipse.
Step by-step explanation: